Solution

Solution

+1
Solution steps
Apply trig inverse properties
Show solutions in decimal form

Popular Examples

prove (sin(x)+cos(x))^2=1+sin(2x)prove 2cos^2(θ)-cos(θ)=1sec^2(θ)-4=0,0<= θ<= 2pi-sin(pi/2)tan((5pi)/(12))

Frequently Asked Questions (FAQ)

  • What is the general solution for cos(x)=-0.4 ?

    The general solution for cos(x)=-0.4 is x=1.98231…+2pin,x=-1.98231…+2pin